Skip to main content
U.S. flag

An official website of the United States government

Here’s how you know

Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

HTTPS

Secure .gov websites use HTTPS
A lock (LockA locked padlock) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

    • Environmental Topics
    • Air
    • Bed Bugs
    • Cancer
    • Chemicals, Toxics, and Pesticide
    • Emergency Response
    • Environmental Information by Location
    • Health
    • Land, Waste, and Cleanup
    • Lead
    • Mold
    • Radon
    • Research
    • Science Topics
    • Water Topics
    • A-Z Topic Index
    • Laws & Regulations
    • By Business Sector
    • By Topic
    • Compliance
    • Enforcement
    • Laws and Executive Orders
    • Regulations
    • Report a Violation
    • Environmental Violations
    • Fraud, Waste or Abuse
    • About EPA
    • Our Mission and What We Do
    • Headquarters Offices
    • Regional Offices
    • Labs and Research Centers
    • Planning, Budget, and Results
    • Organization Chart
    • EPA History

Breadcrumb

  1. Home
  2. EPA Center for Corporate Climate Leadership

Calculator Resources

The resources listed below are available to help your organization develop a GHG emissions inventory, use the Simplified GHG Emissions Calculator, and take the next steps in GHG emissions management.

Inventory Guidance

Resource Topic Description
Determine Organizational Boundaries Organizational Boundaries Guidance to help organizations determine which entities (e.g., subsidiaries, joint ventures, partnerships) and assets (e.g., facilities, vehicles) will be included in a scope 1 and scope 2 GHG emissions inventory.
Determine Emissions Sources Emissions Sources Questions to help organizations determine emissions sources to account for when using the Simplified GHG Emissions Calculator
Scope 1 and Scope 2 Inventory Guidance Scopes 1 and 2 Guidance to calculate and report emissions from scope 1 and scope 2 sources.
Scope 3 Inventory Guidance Scope 3 Guidance to calculate scope 3 emissions.
Simplified Guide to Greenhouse Gas Management for Organizations (pdf) GHG Management Overview of the four steps to developing a GHG inventory and guidance on using the Simplified GHG Emissions Calculator.
The Greenhouse Gas Protocol: A Corporate Accounting and Reporting Standard GHG Accounting and Reporting The global standard for calculating corporate GHG emissions (developed by the World Resources Institute [WRI] and the World Business Council for Sustainable Development [WBCSD]).

Going Further

Resource Topic Description
Supply Chain Guidance Supply Chain Guidance on engaging with suppliers, examples, and resources to reduce supply chain emissions.
Inventory Management Plan Guidance Inventory Management Plan Guidance on developing and maintaining an Inventory Management Plan.
Target Setting Guidance Target Setting Best practices for setting GHG emissions reductions targets and access to target setting resources.
Climate-Related Financial Risks and Opportunities Climate-Related Financial Risks and Opportunities Information about assessing and reporting climate-related financial risks and opportunities.
Climate Transition Planning Climate Transition Planning Information on Climate Transition Plans, including what they are, key components, how to develop a plan, and access to helpful resources.

Inventory Reference Data

Resource Topic Description
GHG Emission Factors Hub Emission Factors Catalog of emissions factors for organizational GHG reporting.
Supply Chain Greenhouse Gas Emission Factors for U.S. Industries and Commodities Emission Factors Comprehensive set of supply chain emission factors covering all categories of goods and services in the US economy that can be used to calculate emissions for scope 3 category 1 (purchased goods and services) and scope 3 category 2 (capital goods).

EPA Center for Corporate Climate Leadership

  • Getting Started – Corporate Climate Leadership
    • Key Voluntary & Regulatory Frameworks
  • Scopes 1, 2 & 3 Emissions Inventorying and Guidance
    • Determine Organizational Boundaries
    • Scope 1 & Scope 2 Inventory Guidance
    • Scope 3 Inventory Guidance
    • Supply Chain Guidance
    • GHG Emission Factors Hub
    • Simplified GHG Emissions Calculator
    • Inventory Management Plan Guidance
  • Target Setting
  • Climate-Related Financial Risks and Opportunities
    • Climate Risks & Opportunities Defined
    • Steps to Reporting Climate Risks & Opportunities
    • Market Developments Around Climate-Related Financial Disclosures
    • EPA & Other Relevant Resources
  • Climate Transition Planning
    • GHG Reduction Programs & Strategies
  • Webinars & Events
Contact Us About the EPA Center for Corporate Climate Leadership
Contact Us to ask a question, provide feedback, or report a problem.
Last updated on January 11, 2025
  • Assistance
  • Spanish
  • Arabic
  • Chinese (simplified)
  • Chinese (traditional)
  • French
  • Haitian Creole
  • Korean
  • Portuguese
  • Russian
  • Tagalog
  • Vietnamese
United States Environmental Protection Agency

Discover.

  • Accessibility Statement
  • Budget & Performance
  • Contracting
  • EPA www Web Snapshot
  • Grants
  • No FEAR Act Data
  • Plain Writing
  • Privacy
  • Privacy and Security Notice

Connect.

  • Data
  • Inspector General
  • Jobs
  • Newsroom
  • Regulations.gov
  • Subscribe
  • USA.gov
  • White House

Ask.

  • Contact EPA
  • EPA Disclaimers
  • Hotlines
  • FOIA Requests
  • Frequent Questions
  • Site Feedback

Follow.